Pilosella refers to the Latin word ‘pilosus’, which means ‘hairy’ . Description Top of page. P … controlling grazing, judicious use of herbicides, periodic applications of fertilizer, and cooperation between private and public land managers (Wilson and Callihan, 1999).
pilosella, Oregon, Washington; H. atratum, H. glomeratum, and H. laevigatum, Washington . Hawkweeds are perennial forbs in a genus that is divided into subgenera. Until recently, all invasive hawkweeds were in the subgenus . Pilosella, a group with stolons and more-or-less leafless flowering stems.
P. aurantiaca is a red-flowering, perennial herb with usually 2-3 (up to 6) bright-green, soft rosette leaves which are covered with numerous, pale simple eglandular hairs on both the upper and lower leaf surface and the leaf margin. Rosette leaves are 8-15 cm (up to 22 cm) long and 1-4 cm wide with sparse stellate hairs restricted to the lower leaf surface.
Pilosella officinarum Vaill., 1754 La Piloselle, Pilosella officinarum, est une plante vivace anciennement du genre des Hieracium (Épervières); mais toujours de la famille des Astéracées (ex Composées-Chicoracées).
Piloselle : description de la plante La piloselle ou Hieracium pilosella est une petite plante herbacée vivace appartenant à la famille des astéracées. On l’appelle également Epervière, Herbe à l’épervier, Oreille de chat, Oreille de souris ou veluette.
Agroécologie dans le Rhin Supérieur : pratiques innovantes …
Pilosella is a genus of flowering plants in the family Asteraceae. Some sources include it within the genus Hieracium.. Species. As of September 2020, Plants of the World Online accepted the following species:
Herbicides are addressed in this module as proximate stressors. Herbicides should be a candidate cause when human sources and activities, site observations or observed effects support portions of the causal pathways (see Figure 2). The conceptual diagram and other information also may be useful in Step 3: Evaluate Data from the Case.